/**
 * This file is part of mycollab-web.
 *
 * mycollab-web is free software: you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation, either version 3 of the License, or
 * (at your option) any later version.
 *
 * mycollab-web is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with mycollab-web.  If not, see <http://www.gnu.org/licenses/>.
 */

package com.esofthead.mycollab.module.project.view.bug;

import com.esofthead.mycollab.common.domain.CommentWithBLOBs;
import com.esofthead.mycollab.common.i18n.GenericI18Enum;
import com.esofthead.mycollab.common.service.CommentService;
import com.esofthead.mycollab.module.project.CurrentProjectVariables;
import com.esofthead.mycollab.module.project.ProjectTypeConstants;
import com.esofthead.mycollab.module.project.i18n.BugI18nEnum;
import com.esofthead.mycollab.module.project.i18n.OptionI18nEnum.BugStatus;
import com.esofthead.mycollab.module.project.view.bug.components.BugResolutionComboBox;
import com.esofthead.mycollab.module.project.view.bug.components.VersionMultiSelectField;
import com.esofthead.mycollab.module.project.view.settings.component.ProjectMemberSelectionField;
import com.esofthead.mycollab.module.tracker.domain.BugWithBLOBs;
import com.esofthead.mycollab.module.tracker.domain.SimpleBug;
import com.esofthead.mycollab.module.tracker.service.BugRelatedItemService;
import com.esofthead.mycollab.module.tracker.service.BugService;
import com.esofthead.mycollab.spring.ApplicationContextUtil;
import com.esofthead.mycollab.vaadin.AppContext;
import com.esofthead.mycollab.vaadin.ui.*;
import com.vaadin.event.ShortcutAction;
import com.vaadin.shared.ui.MarginInfo;
import com.vaadin.ui.*;
import com.vaadin.ui.Button.ClickEvent;
import com.vaadin.ui.ComponentContainer;
import org.vaadin.maddon.layouts.MHorizontalLayout;

import java.util.GregorianCalendar;

/**
 * 
 * @author MyCollab Ltd.
 * @since 1.0
 */
@SuppressWarnings("serial")
class WontFixExplainWindow extends Window {

	private final SimpleBug bug;
	private VersionMultiSelectField fixedVersionSelect;
	private final IBugCallbackStatusComp callbackForm;

	WontFixExplainWindow(final IBugCallbackStatusComp callbackForm,
			final SimpleBug bug) {
		super("Won't fix bug '" + bug.getSummary() + "'");
		this.bug = bug;
		this.callbackForm = callbackForm;
		this.setWidth("750px");
		this.setResizable(false);
		this.setModal(true);

		VerticalLayout contentLayout = new VerticalLayout();
		contentLayout.setMargin(new MarginInfo(false, false, true, false));

		EditForm editForm = new EditForm();
		contentLayout.addComponent(editForm);
		editForm.setBean(bug);
		this.setContent(contentLayout);
		this.center();
	}

	private class EditForm extends AdvancedEditBeanForm<BugWithBLOBs> {
		private static final long serialVersionUID = 1L;
		private RichTextArea commentArea;

		@Override
		public void setBean(BugWithBLOBs newDataSource) {
			this.setFormLayoutFactory(new FormLayoutFactory());
			this.setBeanFormFieldFactory(new EditFormFieldFactory(EditForm.this));
			super.setBean(newDataSource);
		}

		class FormLayoutFactory implements IFormLayoutFactory {
			private static final long serialVersionUID = 1L;
			private GridFormLayoutHelper informationLayout;

			@Override
			public ComponentContainer getLayout() {
				final VerticalLayout layout = new VerticalLayout();
				this.informationLayout =  GridFormLayoutHelper.defaultFormLayoutHelper(2, 6);
				layout.addComponent(this.informationLayout.getLayout());

				final MHorizontalLayout controlsBtn = new MHorizontalLayout().withMargin(new MarginInfo(true, true, false, false));
				layout.addComponent(controlsBtn);

				final Button wonFixBtn = new Button(
						AppContext.getMessage(BugI18nEnum.BUTTON_WONT_FIX),
						new Button.ClickListener() {
							@SuppressWarnings("unchecked")
							@Override
							public void buttonClick(final ClickEvent event) {

								if (EditForm.this.validateForm()) {
									WontFixExplainWindow.this.bug
											.setStatus(BugStatus.Resolved
													.name());

									final String commentValue = commentArea.getValue();
									if (commentValue != null
											&& !commentValue.trim().equals("")) {
										final BugRelatedItemService bugRelatedItemService = ApplicationContextUtil
												.getSpringBean(BugRelatedItemService.class);
										bugRelatedItemService.updateFixedVersionsOfBug(
												bug.getId(), fixedVersionSelect
														.getSelectedItems());

										// Save bug status and assignee
										final BugService bugService = ApplicationContextUtil
												.getSpringBean(BugService.class);
										bugService.updateSelectiveWithSession(
												WontFixExplainWindow.this.bug,
												AppContext.getUsername());

										// Save comment

										final CommentWithBLOBs comment = new CommentWithBLOBs();
										comment.setComment(commentValue);
										comment.setCreatedtime(new GregorianCalendar()
												.getTime());
										comment.setCreateduser(AppContext
												.getUsername());
										comment.setSaccountid(AppContext
												.getAccountId());
										comment.setType(ProjectTypeConstants.BUG);
										comment.setTypeid(""
												+ WontFixExplainWindow.this.bug
												.getId());
										comment.setExtratypeid(CurrentProjectVariables
												.getProjectId());

										final CommentService commentService = ApplicationContextUtil
												.getSpringBean(CommentService.class);
										commentService.saveWithSession(comment,
												AppContext.getUsername());

										WontFixExplainWindow.this.close();
										WontFixExplainWindow.this.callbackForm
												.refreshBugItem();
									} else {
										NotificationUtil
												.showErrorNotification(AppContext
														.getMessage(BugI18nEnum.ERROR_WONT_FIX_EXPLAIN_REQUIRE_MSG));
										return;
									}

									WontFixExplainWindow.this.close();
								}
							}
						});
				wonFixBtn.setStyleName(UIConstants.THEME_GREEN_LINK);
                wonFixBtn.setClickShortcut(ShortcutAction.KeyCode.ENTER);
				controlsBtn.with(wonFixBtn).withAlign(wonFixBtn, Alignment.MIDDLE_RIGHT);

				final Button cancelBtn = new Button(
						AppContext.getMessage(GenericI18Enum.BUTTON_CANCEL),
						new Button.ClickListener() {
							@Override
							public void buttonClick(final ClickEvent event) {
								WontFixExplainWindow.this.close();
							}
						});
				cancelBtn.setStyleName(UIConstants.THEME_GRAY_LINK);
				controlsBtn.with(cancelBtn).withAlign(cancelBtn, Alignment.MIDDLE_RIGHT);

				layout.setComponentAlignment(controlsBtn,
						Alignment.MIDDLE_RIGHT);

				return layout;
			}

			@Override
			public void attachField(final Object propertyId,
					final Field<?> field) {
				if (propertyId.equals("resolution")) {
					this.informationLayout.addComponent(field,
							AppContext.getMessage(BugI18nEnum.FORM_RESOLUTION),
							0, 0);
				} else if (propertyId.equals("assignuser")) {
					this.informationLayout
							.addComponent(field, AppContext
									.getMessage(GenericI18Enum.FORM_ASSIGNEE),
									0, 1);
				} else if (propertyId.equals("fixedVersions")) {
					this.informationLayout.addComponent(field, AppContext
							.getMessage(BugI18nEnum.FORM_FIXED_VERSIONS), 0, 2);
				} else if (propertyId.equals("comment")) {
					this.informationLayout.addComponent(field,
							AppContext.getMessage(BugI18nEnum.FORM_COMMENT), 0,
							3, 2, "100%", Alignment.MIDDLE_LEFT);
				}
			}
		}

		private class EditFormFieldFactory extends
				AbstractBeanFieldGroupEditFieldFactory<BugWithBLOBs> {
			private static final long serialVersionUID = 1L;

			public EditFormFieldFactory(GenericBeanForm<BugWithBLOBs> form) {
				super(form);
			}

			@Override
			protected Field<?> onCreateField(final Object propertyId) {
				if (propertyId.equals("resolution")) {
					return BugResolutionComboBox.getInstanceForWontFixWindow();
				} else if (propertyId.equals("assignuser")) {
					return new ProjectMemberSelectionField();
				} else if (propertyId.equals("fixedVersions")) {
					WontFixExplainWindow.this.fixedVersionSelect = new VersionMultiSelectField();
					return WontFixExplainWindow.this.fixedVersionSelect;
				} else if (propertyId.equals("comment")) {
					EditForm.this.commentArea = new RichTextArea();
					EditForm.this.commentArea.setNullRepresentation("");
					return EditForm.this.commentArea;
				}

				return null;
			}
		}
	}
}
